WO2009054256A1 - 作業車両の変速制御装置および方法 - Google Patents

作業車両の変速制御装置および方法 Download PDF

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Publication number
WO2009054256A1
WO2009054256A1 PCT/JP2008/068198 JP2008068198W WO2009054256A1 WO 2009054256 A1 WO2009054256 A1 WO 2009054256A1 JP 2008068198 W JP2008068198 W JP 2008068198W WO 2009054256 A1 WO2009054256 A1 WO 2009054256A1
Authority
WO
WIPO (PCT)
Prior art keywords
speed
stage
increase rate
transmission control
load increase
Prior art date
Application number
PCT/JP2008/068198
Other languages
English (en)
French (fr)
Inventor
Tomohiro Nakagawa
Shigeru Yamamoto
Kenjiro Shimada
Original Assignee
Komatsu Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Komatsu Ltd. filed Critical Komatsu Ltd.
Priority to CN200880111869.6A priority Critical patent/CN101878385B/zh
Priority to JP2009538055A priority patent/JP5276597B2/ja
Priority to US12/675,811 priority patent/US8565985B2/en
Priority to EP08842764A priority patent/EP2202430B1/en
Publication of WO2009054256A1 publication Critical patent/WO2009054256A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/14—Control of torque converter lock-up clutches
    • F16H61/143—Control of torque converter lock-up clutches using electric control means
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2253—Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/0437—Smoothing ratio shift by using electrical signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/14—Control of torque converter lock-up clutches
    • F16H61/143—Control of torque converter lock-up clutches using electric control means
    • F16H2061/146—Control of torque converter lock-up clutches using electric control means for smoothing gear shift shock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/48—Inputs being a function of acceleration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19251—Control mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Fluid Gearings (AREA)

Abstract

　負荷増加率演算手段(２１)では、作業車両(１)にかかる負荷の増加率βを演算する（ステップ(１０２)）。変速制御手段(２２)は、高速の速度段（２速）から低速の速度段（１速）に変速する際に、負荷増加率βが負荷増加率しきい値βｃよりも小さい場合には、高速の速度段（２速）から、ロックアップクラッチ(４ａ)を係合したロックアップ状態にして低速の速度段（１速）に変速する（ステップ(１０３)，(１０５)）。また、変速制御手段(２２)は、高速の速度段（２速）から低速の速度段（１速）に変速する際に、負荷増加率βが負荷増加率しきい値βｃ以上である場合には、高速の速度段（２速）から、ロックアップクラッチを開放したトルコン状態にして低速の速度段（１速）に変速する（ステップ(１０３)，(１０４)）。
PCT/JP2008/068198 2007-10-22 2008-10-07 作業車両の変速制御装置および方法 WO2009054256A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN200880111869.6A CN101878385B (zh) 2007-10-22 2008-10-07 作业车辆的变速控制装置及变速控制方法
JP2009538055A JP5276597B2 (ja) 2007-10-22 2008-10-07 作業車両の変速制御装置および方法
US12/675,811 US8565985B2 (en) 2007-10-22 2008-10-07 Transmission control device and method for working vehicle
EP08842764A EP2202430B1 (en) 2007-10-22 2008-10-07 Transmission control device and method for working vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007273720 2007-10-22
JP2007-273720 2007-10-22

Publications (1)

Publication Number Publication Date
WO2009054256A1 true WO2009054256A1 (ja) 2009-04-30

Family

ID=40579362

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/068198 WO2009054256A1 (ja) 2007-10-22 2008-10-07 作業車両の変速制御装置および方法

Country Status (5)

Country Link
US (1) US8565985B2 (ja)
EP (1) EP2202430B1 (ja)
JP (1) JP5276597B2 (ja)
CN (1) CN101878385B (ja)
WO (1) WO2009054256A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010209924A (ja) * 2009-03-06 2010-09-24 Komatsu Ltd ブルドーザの自動変速装置
WO2011102209A1 (ja) * 2010-02-16 2011-08-25 株式会社小松製作所 作業車両及び作業車両の制御方法
JP2011172523A (ja) * 2010-02-25 2011-09-08 Iseki & Co Ltd トラクタ
JP2013113310A (ja) * 2011-11-25 2013-06-10 Daihatsu Motor Co Ltd 自動変速機の制御装置

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WO2009054256A1 (ja) * 2007-10-22 2009-04-30 Komatsu Ltd. 作業車両の変速制御装置および方法
US20130289836A1 (en) * 2012-04-27 2013-10-31 Wei Li Transmission control system
US8897976B2 (en) * 2012-05-31 2014-11-25 Caterpillar Inc. System and method for machine load detection
CN104870287B (zh) 2013-06-28 2017-07-18 株式会社小松制作所 作业车辆以及作业车辆的控制方法
CN105283649B (zh) 2013-12-17 2018-02-02 株式会社小松制作所 作业车辆及其控制方法
JP2015136994A (ja) 2014-01-22 2015-07-30 株式会社小松製作所 作業車両及び作業車両の制御方法
US9926686B2 (en) 2014-01-27 2018-03-27 Komatsu Ltd. Work vehicle and work vehicle emergency travelling method
JP6327871B2 (ja) 2014-01-30 2018-05-23 株式会社小松製作所 作業車両及び作業車両の充電制御方法
US10414402B2 (en) * 2015-03-25 2019-09-17 Volvo Construction Equipment Ab Method for controlling gear shifting of a working machine
JP6046857B2 (ja) * 2015-11-02 2016-12-21 株式会社小松製作所 作業車両の制御システム、制御方法、及び作業車両
US10745886B2 (en) 2018-06-08 2020-08-18 Deere & Company Torque converter control based on work vehicle parameters
CN108644373A (zh) * 2018-07-20 2018-10-12 济南大学 一种收获机械双工况多参数换挡系统及方法
JP6960545B2 (ja) * 2018-09-21 2021-11-05 ジヤトコ株式会社 ベルト式無段変速機
JP2020080657A (ja) * 2018-11-15 2020-06-04 株式会社クボタ 作業車
CN113685538A (zh) * 2021-08-18 2021-11-23 潍柴动力股份有限公司 Hmcvt高低挡自适应方法、无级变速器及拖拉机
CN114110159A (zh) * 2021-11-03 2022-03-01 江苏汇智高端工程机械创新中心有限公司 一种越野轮胎起重机变速箱挡位控制方法及系统

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010209924A (ja) * 2009-03-06 2010-09-24 Komatsu Ltd ブルドーザの自動変速装置
WO2011102209A1 (ja) * 2010-02-16 2011-08-25 株式会社小松製作所 作業車両及び作業車両の制御方法
JP2011169347A (ja) * 2010-02-16 2011-09-01 Komatsu Ltd 作業車両及び作業車両の制御方法
CN102753867A (zh) * 2010-02-16 2012-10-24 株式会社小松制作所 作业车辆及作业车辆的控制方法
US8977444B2 (en) 2010-02-16 2015-03-10 Komatsu Ltd. Work vehicle and work vehicle control method
JP2011172523A (ja) * 2010-02-25 2011-09-08 Iseki & Co Ltd トラクタ
JP2013113310A (ja) * 2011-11-25 2013-06-10 Daihatsu Motor Co Ltd 自動変速機の制御装置

Also Published As

Publication number Publication date
US8565985B2 (en) 2013-10-22
EP2202430B1 (en) 2012-05-30
US20100256877A1 (en) 2010-10-07
CN101878385A (zh) 2010-11-03
JP5276597B2 (ja) 2013-08-28
EP2202430A1 (en) 2010-06-30
JPWO2009054256A1 (ja) 2011-03-03
EP2202430A4 (en) 2010-12-22
CN101878385B (zh) 2014-05-07

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